If you are trying to find effective solutions to fix macOS High Sierra update stuck or failure error, you are at the right place. If you cannot download or install macOS 10.13 update on your Mac, or macOS 10.13 gets stuck, freezes or fails to install, don’t panic and just simply follow these instructions.

macOS High Sierra 10.13 downloaded but won’t install!

If you get stuck or fail to install the downloaded macOS 10.13, follow any one of the below tips to fix the issue:

Open Launchpad > Delete “Install macOS Sierra” file with a question mark on it

If you forgot to create backups for your Mac data before the macOS 10.13 update, you still have a chance to restore lost data due to the update. Remo Data Recovery Software for Mac allows you to restore all data lost due to a macOS update.